Combined dredging and ramming device.



K. BQRSGHUTZKY.` COMBINED DEEDGING AND RAMMING DEVICE.

-APPLIOATION FILED MAEilD, 1914.

Patented Mar.16,1915.

THE NDRRIS PETERS C0.. PHOTO! WHO.. WASHINGTON, D.

COMBINED DREDGING- AND RAIVIIVIING DEVICE.

LSZO.

Specicaton of'Letters Patent.

Patented Mar. 16, 1915.

Application filed March 19, 1914.-. Serial No. 825,906.

To all whom t may concern:

Be it known that I, KARL BORSCHUTZKY, architect, a subject of the King of Prussia, residing at Herbesthal, Rhineland, in the Kingdom of Prussia, Empire of Germany, have invented a new and, useful Combined Dredging and Ramming Device; and I do hereby declare the following to be a full, clear, and eXact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates tov a combined dredging and ramming device for making ditches and shafts with an inclosing mantle, and the object of this invention is to provide a device of the character stated, with which the blows of the ram-block are transmitted to the pile-planking or such like serving as shaft-mantle, by means of an anvil which is formed so as to allow the dredging engine to pass through it freely. As the frame of the dredger is freely guided through the said anvil, the dredging device may be adjusted in height independently of the mantle and the ramming device.

The invention is illustrated on the accompanying drawings, in which:

Figure l is a longitudinal section through a combined dredging and ramming installation, Fig. 2 is a similar longitudinal section but in a plane at right angles to the section according to Fig. l, Fig. 3 is a longitudinal sectional view of a modification, Fig. 4 is a cross-section taken on line A-B of Fig. 2, Fig. 5 is a cross-section taken on line C-D of Fig. 3.

As is to be seen with reference to Figs. 1, 2 and 4 the iron mantle a which prevents the breaking in of the sides of the ditch is provided with supporting shoulders b which serve as stops and supports for the anvil c.

The frame of the dredging device consists of pipes al which extend within the mantle from top to bottom. rlhese pipes are open at their lower ends and provided with connecting-pipes e at their upper ends so as to be adapted for connection to the suctionpipe of a pump, thus serving as a suctiondredger. rIhe pipes Z are provided near their upper and lower ends with suitable bearings in which the shafts g of the dredger-drums f are mounted. Chains 7L are passed around these drums and the buckets c' are fastened to these chains.

The anvil c is provided at transversely opposite points with recesses which are so formed as to allow the chains and buckets of the dredger to freely pass through them. Besides, the anvil has vertical bores Z in which the pipes d are loosely guided; owing lto this arrangement the dredging device block m and the anvil c, as illustrated ink Figs. l and 3.

' According to Figs. 3 and 5 the mantle a consists of a number of concrete rings which are connected with each other by means of iron rods o. For ramming the pile-planking in this case a ram m operated by steam or compressed air is employed, which may also be used with the form shown in Figs. 1 and 2. The moving Huid is fed through pipe p and led off again by pipe g. If the ditch is made deeper and the mantle becomes too short by reason of this and the dredging device because of the constant discharging of the excavated material both devices may be prolongated at the top by means of suitable lengthening pieces.

The combined dredging and ramming device can be used in any firm or loose ground as well as in water. It serves preferably for making well-shafts and foundationditches or trenches for pillars, in which latter case the iron piling may be extracted again when filling up the ditch with concrete.

Having thus described my invention, what claim as new and desire to secure by Letters Patent, is

1. In a combined dredging and ramming device, an anvil, a ram-block arranged above the anvil, this anvil being provided with means permitting the free passage of the dredger with its buckets, and meansv for guiding the frame of the dredging device through the anvil and transmitting the blows of the said ram-block to the shaftmantle.

2. Inv a combined dredging and ramming device, an anvil, a ram-block arranged above the anvil, this anvil being provided at transversely opposite sides with recesses permitting the free passage of the dredger with its buckets, and means for loosely guiding the frame of the dredging device through the anvil and transmitting the blows of said rain-bloek by means of the anvil to the shaft-mantle.

3. ln a Combined dredging and ramming device, an anvil, a ram-block arranged above the anvil, this anvil being provided at transversely opposite points With recesses for the free passage of the dredger, and having suitable bores loosely guiding the frame ol: the dred'er, and means for transmitting the blows of said ram-block by the aid of the anvil to the shaft-mantle.

4. ln a Combined dredging and ramming device, an anvil, a ram-block arranged above the anvil, this anvil being provided at transversely opposite sides with recesses for the free passage of the dredger, and having suitable bores through which the frame or' the dredger is loosely guided, and a shaftmantle provided with inwardly projecting shoulders, these shoulders supporting the anvil and transmitting the blows imparted. to them by the ram-block to the shaftmantle.

ln testimony whereof l have signed my name to this speeiication in the presence of two subscribing Witnesses.

XQARL BORSCHUTZKY.

Witnesses Han nv QUADFLinG, lLovs @HERMANN Copies of this patent may be obtained for ve cents each, by addressing the Gommssoner of Eatents, Washington, D. E. 

